http://l1.yimg.com/bt/api/res/1.2/291695pWfAl0717GE3V5Iw--/YXBwaWQ9eW5ld3M7Zmk9ZmlsbDtoPTg2O3E9ODU7dz0xMzA-/http://media.zenfs.com/en_us/News/Reuters/2012-07-28T184353Z_1_CBRE86R1CLD00_RTROPTP_2_NBC-COMCAST.JPG (http://news.yahoo.com/nbc-gets-bumper-olympic-ratings-despite-complaints-172926401--finance.html)LOS ANGELES (Reuters) - A record 40.7 million Americans watched NBC television&#039;s coverage of the 2012 Olympics opening ceremony, making it the most-watched Summer Games opening, NBC said on Saturday. NBC said the audience for the London ceremony was six million more than for the opening ceremonies from Beijing in 2008, and also beat the 39.8 million audience for the Atlanta Olympic Games in 1996. U.S. viewers had to wait up to seven hours on Friday to watch the London ceremony after NBC decided not to stream it live and to delay its broadcast until the prime time evening hours. ...